Shimano SM-SH40 SPD Cleat Adapter, Only For 5 Holes Typ
RAD SPD adapter
First look: Northwave Core Plus cycling shoes + Shimano SH41 SPD adapters | the accidental randonneur
Amazon.com : CyclingDeal Bicycle Shoes Cleats Adapters - for MTB Shoes to Use with Cleats of Road Bike Pedals - Compatible with Shimano SPD-SL, Look KEO & Look Delta - Converting Adapters